/**
 * @file   MockServer.h
 * @brief  Mock XPL2 server — listens on all three protocol ports.
 */
#pragma once

#include <QList>
#include <QObject>
#include <QTcpServer>
#include <QTimer>

class QTcpSocket;

class MockServer : public QObject
{
  Q_OBJECT

public:
  explicit MockServer (QObject *parent = nullptr);
  static void enableWireDebug ();

private slots:
  void onNewConnection ();
  void onClientMessageReady ();
  void onClientDisconnected ();
  /* Send KA_PING keepalive to all connected clients. */
  void sendKaPing ();

private:
  struct Port
  {
    QTcpServer server;
    const char *name = nullptr;
    quint16 number = 0;
  };

  void setupPort (Port &port, const char *name, quint16 number);
  /* Return a fixed-width "[Name:port]" tag for log lines. */
  QString logTag (quint16 localPort) const;
  /* Parse incoming line, log RX, and dispatch to the matching handler. */
  void handleCommand (QTcpSocket *client, const QByteArray &line);
  void sendReply (QTcpSocket *client, const QByteArray &data);
  void handleKaPing (QTcpSocket *client, const QByteArray &params);
  void handleGsJcVersion (QTcpSocket *client);

  Port m_command;
  Port m_imaging;
  Port m_status;
  QList<QTcpSocket *> m_clients;
  QTimer m_pingTimer;
  static bool s_wireDebug;
};